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3 bits full adder contains ________(a) 3 combinational inputs(b) 4 combinational inputs(c) 6 combinational inputs(d) 8 combinational inputsI have been asked this question by my school teacher while I was bunking the class.Asked question is from Combinational Circuits topic in section Combinational Circuits of Digital Circuits

Answer»

Correct choice is (d) 8 combinational inputs

The EXPLANATION is: Full Adder is a combinational CIRCUIT with 3 input BITS and 2 output bits CARRY and SUM. Three bits full adder requires 2^3 = 8 combinational CIRCUITS.



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